Question

1. Light is travelling from medium A to medium B. Where refractive index of B is 1.3.
For some angle of incidence light is completely reflected back to the same medium.
The refractive index of A is​

Answer 1

Answer:

Hey mate....

Here is your answer....

The phenomenon is total internal reflection.

This happens only when light travels from denser medium to rarer medium.

Therefore A will have refractive index greater than 1.3

-Mähëshwářàñ